152. LEProDIRA. 97 
x. o& (Se. 21; V.186; Berbice. 
d. Bigs Ge 21; V.190; Pernambuco. J. P. G. Smith; Esq. 
pe ok (ey 21; V.196; Para. R. s siete Esq. 
v. Hgr. (Sc. 21; V.176; Asuncion,Paraguay. Dr. J. Bohls [C.]. 
é. 1g, (e 28; V.208; ——P? Haslar Collection. 
o. Skull. Mexico. 
9. Leptodira annulata. 
Coluber annulatus, Zinn. Mus. Ad. Frid. p. 34, pl. viii. fig. 2 (1754), 
and &. N. i. p. 386 (1766) ; Daud. Rept. vi. p. 869 (1803). 
Dipsas annulata, part., Schley. Phys. Serp. ii. p. 294 (1887). 
—— annulata, var. A, Dum. & Bibr. vii. p. 1141 (1854). 
Leptodeira annulata, part., Giinth. Cat. be 166 (1858). 
Sibon annulata, part., Cope, Proc. Ac. Philad. 1860, p. 266. 
Eteirodipsas annulata, Jan, Elenco, p. 105 (1863). 
Dipsas approximans, Giinth. Ann. § Mag. N. H. (4) ix. 1872, p. 32. 
Eteirodipsas wieneri, Sauvage, Bull. Soc. Philom. (7) viii. 1884, 
p. 146*, 
Rostral once and a half to once and two thirds as broad as deep, 
scarcely visible from above; internasals shorter than the pre- 
frontals ; frontal once and a half to once and two thirds as long as 
broad, as long as or a little longer than its distance from the end 
of the snout, shorter than the parietals; loreal as long as deep or a 
little deeper than long; one preocular, in contact with or narrowly 
separated from the frontal, rarely with a very small subocular below 
it; two (rarely three) postoculars; temporals 14+2; eight (rarely 
seven) upper labials, third, fourth, and fifth (rarely third and fourth 
or fourth and fifth only) entering the eye ; five or six lower labials 
in contact wich the anterior chin-shields, which are as long as or a 
little longer than the posterior. Scales in 19 (exceptionally 17 
[spec. n] or 21 [spec. h]) rows, the vertebrals sometimes slightly 
enlarged. Ventrals 175-196; anal divided; subcaudals 78-107. 
Yellowish or brown above, with a dorsal series of large dark brown 
or blackish spots often confluent into an undulous or zigzag band ; 
lateral spots usually small or absent; a dark streak behind the eye ; 
occipital region whitish in the young; lower parts white. 
Total length 730 millim.; tail 175. 
Tropical South America. 
a-b. 5 (V. 183, 182; C. ?, Rio de Cucuta, Mr. C. Webber 
95). Colombia. [Ot 
e-d. 2 (V. 193,178; C. 80, Chyavetas, N.E. Mr. i. Bartlett 
P). eru. [C.]. (Types of 
D. approximans.) 
* IT am indebted to M. Bocourt for notes on the type specimen. 
VOL. III, H 
